#include <stdio.h>
int main()
{
	float m = 0;
	float h = 0;
	scanf("%f %f",&m,&h);
	if(m/(h*h) < 18.5)
		printf("Underweight\n");
	else if(m/(h*h) < 24)
		printf("Normal");
	else
	{
		printf("%f\n",m/(h*h));
		printf("verweight ") ; 
	} 
		
}
